CSK SPRING KITS 1988-yamaha-yz125-esi7650351 A new transfer port design

A new transfer port design (6 instead of 5 ports) improves cylinder filling

POINT SET 437-81321-20/2A6-81321-20 DM-69

expertise has been infused into the next generation of off-road

Copper core aids in heat removal

Unique upgrade from standard OEM wheel collars

CSK SPRING KITS 1988-yamaha-yz125-esi7650351 A new transfer port designCoil springs These are spiral wound springs using four to eight pieces per set, made from heat treated high carbon steel and come in various shapes and sizes, delivering differing spring tensions depending on the size of the bike and the horsepower of your engine. It is important to note that you cannot change the basic shape of these springs to gain any performance advantage but what you CAN do is buy an EBC Brakes CSK kit which has slightly thicker